Scientists have discovered a new "secret weapon" in the battle against climate change hidden within our oceans.
The creature - a single-celled microbe - can naturally capture and store carbon.
Researchers at the University of Technology Sydney, in Australia, say it could be used to help balance carbon emissions in the atmosphere.
"This is an entirely new species, never before described in this amount of detail," said Professor Martina Doblin, the study's senior author.
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